Open WebUI: Cross-user file disclosure via /api/chat/completions image_url field

summaryPOST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the global file table with no ownership check. An authenticated user can therefore set imageurl.url to another user...

CVE-2026-34556

CVE-2026-34556 affects the iccDEV library prior to 2.3.1.6. A heap-buffer-overflow in icAnsiToUtf8() within the XML conversion path is triggered by a crafted ICC profile, causing code that assumes null-termination to read past allocated memory (ASan reports an out-of-bounds READ of size 115 past ...

CVE-2026-34556 iccDEV: HBO in icAnsiToUtf8()

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is a heap-buffer-overflow HBO in icAnsiToUtf8 in the XML conversion path. The issue is triggered by a crafted ICC profile which causes icAnsiToUtf8std::string&, char const ...